{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to handle risks during the blockchain upgrade process?","a":"Risk assessment: Conduct a  risk assessment before the upgrade, identify potential risk points, and develop corresponding countermeasures."}]}],"pr":"3bc77e6cff60b291ad12ff9eda8e6c9257ee2f750b90539a2504d716cbc8c063"}